CN211259407U - Straight six-channel constant velocity universal joint transmission shaft assembly - Google Patents
Straight six-channel constant velocity universal joint transmission shaft assembly Download PDFInfo
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- CN211259407U CN211259407U CN201921702451.4U CN201921702451U CN211259407U CN 211259407 U CN211259407 U CN 211259407U CN 201921702451 U CN201921702451 U CN 201921702451U CN 211259407 U CN211259407 U CN 211259407U
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- constant velocity
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- shaped shell
- joint
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Abstract
A straight six-channel constant velocity universal joint transmission shaft assembly. The transmission shaft assembly mainly solves the problems that the impact and noise of a gearbox and a rear axle gear are caused by adopting a cross shaft universal joint, the service life of parts is influenced, and the transmission efficiency is reduced. The method is characterized in that: one end of the middle shaft is connected with a first constant velocity universal joint, the other end of the middle shaft is connected with a second constant velocity universal joint, the first constant velocity universal joint comprises a first bell-shaped shell, a first channel is arranged on the inner wall of the first bell-shaped shell, the second constant velocity universal joint comprises a second bell-shaped shell, a second channel is arranged on the inner wall of the second bell-shaped shell, the first channel extends along the axial direction of the first bell-shaped shell, and the second channel extends along the axial direction of the second bell-shaped shell. The utility model provides a straight six channel constant velocity cardan shaft assemblies, its intermediate shaft both ends are the constant velocity cardan joint, adopt the constant velocity cardan joint to guarantee that the diaxon still transmits power with the same angular velocity when there is the contained angle or mutual position to change between the axle, guaranteed the stationarity of transmission, the life of spare part.
Description
Technical Field
The utility model belongs to the automobile spare and accessory part field, concretely relates to straight six channel constant velocity cardan joint transmission shaft assemblies.
Background
When an automobile runs, the relative position of a gearbox and a drive axle is changed frequently, the angle and the length of a transmission shaft connected with the gearbox are also changed frequently, and through market research and customer feedback, the traditional transmission shaft cannot meet the driving pursuit comfort and economy of customers.
The existing cross axle universal joint has the following defects:
1. the cross shaft universal joint is an unequal-speed universal joint, and because the position between the output shaft of the gearbox and the input shaft of the drive axle is relatively changed, when the included angle between the output shaft and the input shaft is larger, the unequal speed is more serious, so that the swinging of a power assembly support and a suspension elastic element is caused, the impact and the noise of the gearbox and a rear axle gear are caused, the service life of parts is influenced, and the transmission efficiency is also reduced.
2. Because the cross-axle universal joint is exposed in the air for a long time and is in a severe environment (such as mud, sand, acid water and the like), the cross-axle universal joint is not provided with a protective sleeve and can be gradually corroded, so that the product is invalid, the service cycle of the product is short, and the service life is short;
3. when the vehicle runs on a poor road condition, the power requirement of running cannot be met due to insufficient slippage.
SUMMERY OF THE UTILITY MODEL
In order to overcome the not enough of background art, the utility model provides a straight six channel constant velocity cardan joint transmission shaft assemblies mainly solves present transmission shaft assembly and adopts the cross universal joint to arouse impact and the noise of gearbox and rear axle gear, influences the life-span of spare part, has also reduced transmission efficiency's problem.
The utility model adopts the technical proposal that:
a straight six-channel constant velocity universal joint transmission shaft assembly comprises an intermediate shaft, wherein one end of the intermediate shaft is connected with a first constant velocity universal joint, the other end of the intermediate shaft is connected with a second constant velocity universal joint, the first constant velocity universal joint comprises a first bell-shaped shell, a first channel is arranged on the inner wall of the first bell-shaped shell, the second constant velocity universal joint comprises a second bell-shaped shell, a second channel is arranged on the inner wall of the second bell-shaped shell, the first channel extends along the axial direction of the first bell-shaped shell, and the second channel extends along the axial direction of the second bell-shaped shell.
A rolling ball in rolling fit is arranged in the first channel, and the outer wall of the rolling ball is tangent to the inner wall of the first channel.
The middle shaft is characterized in that a star-shaped sleeve is arranged in the first bell-shaped shell, a through groove is axially formed in the star-shaped sleeve, a limiting groove is formed in the inner wall of the through groove, a clamp spring is arranged on the outer wall of the middle shaft and is arranged in the limiting groove, and the limiting groove is formed in one side, opposite to the center plane of the through groove, of the middle shaft.
The number of the first channels is 6.
The first channels are uniformly distributed on the inner wall of the first bell-shaped shell at intervals.
The middle shaft is connected with the outer shaft in a sealing fit mode, and the outer shaft is connected with the outer shaft in a sealing fit mode.
The inner wall of the outer cover is matched with the outer wall of the first bell-shaped shell in a clamping mode, and a sealing ring is arranged between the outer cover and the first bell-shaped shell.
First dustcoat one end is bent and is formed the joint groove, first dustcoat one end stretch into in the joint groove and with the joint cooperation of joint groove joint.
The first constant velocity joint and the second constant velocity joint are arranged in a mirror image manner.
The utility model has the advantages that: the utility model provides a straight six channel constant velocity cardan shaft assemblies, its intermediate shaft both ends are the constant velocity cardan joint, adopt the constant velocity cardan joint to guarantee that the diaxon still transmits power with the same angular velocity when there is the contained angle or mutual position to change between the axle, guaranteed the stationarity of transmission, the life of spare part.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is a schematic cross-sectional view of an embodiment of the present invention.
Fig. 3 is an enlarged schematic view of a portion a of fig. 1.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings: as shown in the figures, the constant velocity universal joint transmission shaft assembly with the straight six channels comprises an intermediate shaft 1, wherein one end of the intermediate shaft is connected with a first constant velocity universal joint 2, the other end of the intermediate shaft is connected with a second constant velocity universal joint 3, the first constant velocity universal joint comprises a first outer shell 21, a first channel 211 is arranged on the inner wall of the first outer shell, the second constant velocity universal joint comprises a second outer shell, a second channel is arranged on the inner wall of the second outer shell, the first channel extends along the axial direction of the first outer shell, and the second channel extends along the axial direction of the second outer shell. The utility model provides a straight six channel constant velocity cardan shaft assemblies, its intermediate shaft both ends are the constant velocity cardan joint, adopt the constant velocity cardan joint to guarantee that there is the contained angle or the diaxon still with the same angular velocity transmission power when changing in position each other between the axle, guaranteed the stationarity of transmission, the life of spare part, it is big to adopt straight channel constant velocity cardan joint to slide the volume, it still can satisfy the power transmission requirement to go under abominable road conditions.
In the present embodiment, as shown in the figure, a rolling ball 4 is arranged in the first channel, and the outer wall of the rolling ball is tangent to the inner wall of the first channel. When 6 steel balls slide in the ball way, the ball is in point contact, the sliding resistance is small, the sliding is stable, the bearing torque is large, and the reliability is strong.
In this embodiment, as shown in the figure, a star-shaped sleeve 212 is disposed in the first bell housing, a through groove 2121 is axially disposed in the star-shaped sleeve, a limiting groove 2122 is disposed on an inner wall of the through groove, a snap spring 11 is disposed on an outer wall of the intermediate shaft, the snap spring is disposed in the limiting groove, and the limiting groove is disposed on a side that is offset from a central plane of the through groove to the intermediate shaft. The assembling and disassembling are convenient, the replacement of the whole assembly due to the failure of the star-shaped sleeve is avoided, the reuse rate of products is improved, the resource waste is avoided, and the replacement cost is saved.
In this embodiment, as shown, there are 6 first channels.
In this embodiment, as shown in the figure, the first channels are uniformly distributed at intervals on the inner wall of the first bell-shaped shell.
In this embodiment, as shown in the figure, a dust cover 5 is further included, and a housing 12 in sealing fit is connected to the first outer bell housing, and one end of the dust cover is connected to the axial outer wall of the intermediate shaft through a clamp 91, and the other end of the dust cover is connected to the housing. The ball channel has the functions of dust prevention and sealing, so that lubricating grease in the ball channel is prevented from losing, and outside silt is ensured to enter, so that the ball channel can cause dry friction to cause product failure in the process of high-speed operation.
In this embodiment, as shown in the figure, the inner wall of the outer cover is in snap fit with the outer wall of the first bell housing, and a sealing ring 9 is arranged between the outer cover and the first bell housing.
In this embodiment, as shown in the figure, first dustcoat one end is bent and is formed joint groove 121, first dustcoat one end stretch into in the joint groove and with the cooperation of joint groove joint. The assembly is convenient.
In this embodiment, the first constant velocity joint and the second constant velocity joint are arranged in mirror image, as shown. The structure of the second constant velocity universal joint is the same as that of the first constant velocity universal joint, and a dust cover, an outer cover and the like are also arranged without repeated description.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
The embodiments described with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention. The examples should not be construed as limiting the present invention, but any modifications made based on the spirit of the present invention should be within the scope of the present invention.
Claims (8)
1. The utility model provides a straight six channel constant velocity universal joint transmission shaft assemblies, includes jackshaft (1), its characterized in that: one end of the middle shaft is connected with a first constant velocity universal joint (2), the other end of the middle shaft is connected with a second constant velocity universal joint (3), the first constant velocity universal joint comprises a first bell-shaped shell (21), the inner wall of the first bell-shaped shell is provided with a first channel (211), the second constant velocity universal joint comprises a second bell-shaped shell, the inner wall of the second bell-shaped shell is provided with a second channel, the first channel extends along the axial direction of the first bell-shaped shell, the second channel extends along the axial direction of the second bell-shaped shell, a rolling ball (4) in rolling fit is arranged in the first channel, and the outer wall of the rolling ball is tangent to the inner wall of the first channel.
2. A straight six channel constant velocity joint driveshaft assembly according to claim 1, wherein: the middle shaft is characterized in that a star-shaped sleeve (212) is arranged in the first bell-shaped shell, a through groove (2121) is axially arranged in the star-shaped sleeve, a limiting groove (2122) is formed in the inner wall of the through groove, a clamp spring (11) is arranged on the outer wall of the middle shaft and is arranged in the limiting groove, and the limiting groove is formed in one side, opposite to the center plane of the through groove, of the middle shaft.
3. A straight six channel constant velocity joint driveshaft assembly according to claim 2, wherein: the number of the first channels is 6.
4. A straight six channel constant velocity joint driveshaft assembly according to claim 3, wherein: the first channels are uniformly distributed on the inner wall of the first bell-shaped shell at intervals.
5. The constant velocity joint driveshaft assembly according to claim 4, wherein: the middle shaft is characterized by further comprising a dust cover (5), an outer cover (12) in sealing fit is connected to the first bell-shaped shell, one end of the dust cover is connected with the axial outer wall of the middle shaft through a hoop (91), and the other end of the dust cover is connected with the outer cover.
6. A straight six channel constant velocity joint driveshaft assembly according to claim 5, wherein: the inner wall of the outer cover is matched with the outer wall of the first bell-shaped shell in a clamping mode, and a sealing ring (9) is arranged between the outer cover and the first bell-shaped shell.
7. A straight six channel constant velocity joint driveshaft assembly according to claim 6, wherein: outer cover one end is bent and is formed joint groove (121), dust cover one end stretch into in the joint groove and with the cooperation of joint groove joint.
8. A straight six channel constant velocity joint driveshaft assembly according to claim 7, wherein: the first constant velocity joint and the second constant velocity joint are arranged in a mirror image manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921702451.4U CN211259407U (en) | 2019-10-12 | 2019-10-12 | Straight six-channel constant velocity universal joint transmission shaft assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921702451.4U CN211259407U (en) | 2019-10-12 | 2019-10-12 | Straight six-channel constant velocity universal joint transmission shaft assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211259407U true CN211259407U (en) | 2020-08-14 |
Family
ID=71989703
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921702451.4U Expired - Fee Related CN211259407U (en) | 2019-10-12 | 2019-10-12 | Straight six-channel constant velocity universal joint transmission shaft assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211259407U (en) |
-
2019
- 2019-10-12 CN CN201921702451.4U patent/CN211259407U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200814 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |